Spiraea virgata Franch. species synonym Spiraea japonica subsp. glabra (Regel) Koidz. subspecies synonym Spiraea japonica var. tomentosa Koidz. variety synonym Spiraea lobata Murray species doubtful Spiraea hypericifolia Kar. & Kir. species doubtful Spiraea hypericifolia M.Bieb. species synonym Spiraea japonica var. mayebarai Kitam. variety synonym Spiraea prostrata Schur species heterotypic synonym Spiraea koreana var. macrogyna Nakai variety synonym Spiraea schneideriana var. myrtilloides (Rehder) Businský variety synonym Spiraea fetulifolia T.Kawamoto species synonym Spiraea pubescens Lindl. species synonym Spiraea stevenii var. czaplinensis Tzvelev variety synonym Spiraea billardii Meehan species doubtful Spiraea robusta hort. ex Lavall & e species doubtful Spiraea japonica f. glabra C.K.Schneid. form synonym Spiraea ×nobleana Zabel species synonym Spiraea myrtilloides var. pubicarpa T.T.Yu & L.T.Lu variety synonym Spiraea fritschiana var. koreana (Nakai) N.K.Kim variety synonym Spiraea regeliana K.Koch species doubtful Spiraea ×pruinosa Zabel species synonym Spiraea martinii var. martinii variety synonym Spiraea dasyantha var. waurana C.K.Schneid. variety synonym Spiraea pubescens var. leiocarpa Nakai variety synonym Spiraea densiflora var. densiflora variety synonym Spiraea crenata Schmidt species synonym Spiraea decumbens var. lancifolia (Hoffmanns.) Nyman variety synonym Spiraea trilobata Nakai species heterotypic synonym Spiraea ruberrima Regel species accepted Spiraea callosa var. pubescens Regel variety synonym Spiraea saxatilis Turcz. species doubtful Spiraea obovata Grossh. species doubtful Spiraea callosa var. robusta Hook.fil. & Thomson variety proparte synonym Spiraea ×bumalda hort. ex Zabel, 1893 species synonym Spiraea foxii K.Koch species synonym Spiraea obovata Raf. species doubtful Spiraea japonica f. albiflora (Miq.) Kitam. form synonym Spiraea sibirica Steud. species synonym Spiraea ulmaria Strobl species doubtful Spiraea chamaedryfolia Blume species synonym Spiraea callosa Lindl. & Paxton species synonym Spiraea grandiflora K.Koch species synonym Spiraea beauverdiana Hultén species doubtful Spiraea flexuosa var. stenophylla (Zabel) C.K.Schneid. variety synonym Spiraea grandiflora G.Lodd. species synonym Spiraea ×transhimalaica Businský species accepted Spiraea cuneifolia Sessé & Moc. species doubtful Spiraea corymbosa var. lucida (Douglas ex Greene) Zabel variety synonym Spiraea flexuosa var. latifolia Fisch. variety homotypic synonym Spiraea pubescens var. hypoleuca Nakai variety synonym Spiraea barbata Wall. ex F.Dietr. species heterotypic synonym Spiraea ulmifolia var. phyllantha Ser. variety synonym Spiraea corymbosa var. typica C.K.Schneid. variety synonym Spiraea prunifolia var. typica C.K.Schneid. variety synonym Spiraea betulifolia f. latifolia Debeaux form synonym Spiraea decumbens var. mollis K.Koch ex C.K.Schneid. variety synonym Spiraea japonica var. glabrata (Lange) G.Nicholson variety synonym Spiraea glomerata var. pallida Raf. variety synonym Spiraea callosa var. alba (Clémenc.) Regel variety synonym Spiraea salicifolia var. rosea Lavallée variety synonym Spiraea ulmifolia var. parvifolia Lavallée variety synonym Spiraea chamaedryfolia var. crataegifolia Zabel variety synonym Spiraea ×bumalda Burw. species synonym Spiraea salicifolia var. nana K.Koch variety synonym Spiraea salicifolia var. brevifolia Trautv. & C.A.Mey. variety synonym Spiraea xbumalda Burw. species synonym Spiraea ulmifolia var. trichocarpa Borbás variety synonym Spiraea betulifolia var. typica Maxim. variety synonym Spiraea expansa subsp. alba Billiard ex Lebas subspecies synonym Spiraea japonica subsp. alba (Clémenc.) G.Nicholson subspecies synonym Spiraea media subsp. dahurica (Rupr.) Nedol. subspecies synonym Spiraea media var. typica Buia variety synonym Spiraea betulifolia var. nanella Kom. variety synonym Spiraea decumbens var. canescens Pokorny variety synonym Spiraea chamaedryfolia var. subracemosa Ser. variety synonym Spiraea salicifolia var. bethlehemensis Lavallée variety synonym Spiraea ×billardii var. macrothyrsa (Zabel) J.Duvign. variety synonym Spiraea japonica subsp. paniculata Zabel subspecies synonym Spiraea decumbens var. mollis K.Koch variety homotypic synonym Spiraea microgyna var. discolor Nakai variety synonym Spiraea ×fontenaysii f. rosea (Lebas) Zabel form synonym Spiraea salicifolia var. grandiflora K.Koch variety synonym Spiraea hypericifolia var. adiantifolia (W.H.Baxter & Wooster) Lavallée variety synonym Spiraea decumbens var. hacquetii (Fenzl & K.Koch) Wenz. variety synonym Spiraea ulmifolia f. subalpina Schur form synonym Spiraea salicifolia var. floribunda Lavallée variety synonym Spiraea glomerata var. cinerea Raf. variety synonym Spiraea alpina var. altaica O.Fedtsch. & B.Fedtsch. variety synonym Spiraea ciliata var. petiolata Raf. variety synonym Spiraea pubescens subsp. glabra Peschkova subspecies synonym Spiraea koreana var. typica Nakai variety synonym Spiraea pubescens f. glabrescens (Kitag.) Kitag. form synonym Spiraea ciliata var. multiflora Raf. variety synonym Spiraea salicifolia var. polystachys Lavallée variety synonym Spiraea betulifolia var. sachalinensis H.Hara variety synonym Spiraea henryi var. notabilis Rehder variety synonym Spiraea ×californica Zabel species synonym Spiraea betulifolia var. pubescens Trautv. & C.A.Mey. variety synonym Spiraea chamaedryfolia var. transiens Zabel variety synonym Spiraea salicifolia var. alpestris Pall. variety synonym Spiraea crataegifolia Anon. species synonym Spiraea ×intermedia var. polystachys Zabel variety synonym Spiraea humboldtii Anon. species doubtful Spiraea callosa var. parviflora Regel variety synonym Spiraea salicifolia var. semperflorens Regel variety synonym Spiraea ulmifolia f. suborbicularis Nyár. form synonym Spiraea betulifolia f. angustifolia Debeaux form synonym Spiraea blumei f. amabilis (Koidz.) Sugim. form synonym Spiraea expansa f. incisoserrata Zabel form synonym Spiraea humboldtii Spae species doubtful Spiraea expansa subsp. alba Billiard subspecies homotypic synonym Spiraea ulmifolia subsp. banatica (Janka) Nyman subspecies synonym Spiraea salicifolia var. carnea (Anon.) Lavallée variety synonym Spiraea callosa subsp. alba Clémenc. subspecies synonym Spiraea expansa subsp. rubra Zabel subspecies synonym Spiraea expansa subsp. nivea Billiard subspecies synonym Spiraea ovata Bosse species doubtful Spiraea salicifolia var. major Pall. variety synonym Spiraea salicifolia var. regeliana Lavallée variety synonym Spiraea ×billiardii var. macrothyrsa (Zabel) J.Duvign. variety synonym Spiraea ulmifolia var. leiocarpa Borbás variety synonym Spiraea ×vanhouttei var. phyllothyrsa Zabel variety synonym Spiraea salicifolia var. rubra Lavallée variety synonym Spiraea japonica var. leucantha Koidz. variety synonym Spiraea pubescens f. hypoleuca (Nakai) Kitag. form synonym Spiraea menziesii subsp. pyramidata (Greene) Piper subspecies synonym Spiraea ovata Raf. species doubtful Spiraea betulifolia var. glabra Trautv. & C.A.Mey. variety heterotypic synonym Spiraea salicifolia var. undulata Lavallée variety synonym Spiraea ×fontenaysii subsp. rosea Lebas subspecies synonym Spiraea rhamnifolia Wall. species proparte synonym Spiraea carpinifolia Willd. species proparte synonym Spiraea tenuifolia Otto ex Dippel species proparte synonym Spiraea canescens var. oblanceolata Rehder variety proparte synonym Spiraea densiflora Nutt. ex Greenm. species proparte synonym Spiraea chamaedryfolia var. ulmifolia (Scop.) Maxim. variety proparte synonym Spiraea simpliciflora (Nakai) Nakai species proparte synonym Spiraea callosa var. robusta Hook.fil. & Thomson variety proparte synonym Spiraea latifolia × salicifolia species synonym Spiraea alba × salicifolia species synonym Spiraea douglasii x salicifolia species synonym Spiraea douglasii × salicifolia species synonym Spiraea alba x salicifolia species synonym Spiraea albiflora Du Roi species synonym Spiraea douglasii × latifolia species synonym Spiraea cantoniensis x trilobata species synonym Spiraea fritschiana f. obtusifolia (Nakai) M.Kim form synonym Spiraea albiflora × japonica species synonym Spiraea albiflora x japonica species synonym Spiraea canescens × latifolia species synonym Spiraea crenata × hypericifolia × thunbergii species synonym Spiraea cantoniensis × trilobata species synonym Spiraea latifolia x salicifolia species synonym Spiraea ×coristantia R.E.Schroed. ex Wolkenst., 1882 species accepted Spiraea cudidaghensis Firat & N.Aksoy species accepted Spiraea semperflorens R.I.Schröd. species doubtful Spiraea ×racemosa R.E.Schroed. ex Wolkenst., 1882 species accepted Spiraea ×ajanensis (C.K.Schneid.) Tzvelev, 2009 species accepted Spiraea turczaninowii Businský species synonym Spiraea ×zabelii R.I.Schröd. species doubtful Spiraea serotina R.I.Schröd. species doubtful Spiraea sericeoides Businský species accepted Spiraea cardotiana Businský species accepted Spiraea callosa var. glauca Lindl. variety synonym Spiraea tobolskia G.Lodd. species homotypic synonym Spiraea fritschiana var. parvifolia Liou variety heterotypic synonym Spiraea callosa var. fastigiata Wenz. variety synonym Spiraea alba subsp. alba subspecies synonym Spiraea fritschiana f. obtusilolia (Nakai) M.Kim form synonym Spiraea billardii subsp. macrothyrsa (Zabel) J.Duvign., 1975 subspecies synonym Spiraea callosa var. bella (Sims) Wenz. variety synonym Spiraea pubescens var. glabra Peschkova variety synonym Spiraea ×racemosa R.I.Schröd. species doubtful Spiraea ovalifolia (Franch.) Businsky species accepted Spiraea aggregate species accepted Spiraea naxiorum Businsky species accepted Spiraea stellaris Author species accepted Spiraea celtifolia Businsky species accepted Spiraea ×semperflorens f. macrantha Zabel form synonym Spiraea tomentosa var. alba Weston variety synonym Spiraea tomentosa var. albiflora Raf. variety synonym Spiraea chamaedryfolia var. ulmifolia (Scop.) Maxim. variety proparte synonym Spiraea nipponica f. oblanceolata (Nakai) Ohwi form synonym Spiraea nipponica f. rotundifolia (G.Nicholson) Makino form synonym Spiraea henryi var. notabilis Farquhar variety synonym Spiraea cantoniensis var. lanceata Zabel variety synonym Spiraea virginiana var. serrulata Rehder variety synonym Spiraea blumei f. amabilis (Koidz.) Kitam. form synonym Spiraea japonica f. bumalda (Burv.) Geerinck form synonym Spiraea japonica f. albiflora (Miq.) Geerinck form synonym Spiraea densiflora subsp. splendens (Baumann ex K.Koch) Abrams subspecies synonym Spiraea betulifolia var. lucida (Douglas ex Greene) C.L.Hitchc. variety synonym Spiraea betulifolia var. corymbosa (Raf.) Maxim. variety synonym Spiraea alba var. lanceolata Farw., 1918 variety synonym Spiraea japonica var. alpina Maxim. variety synonym Spiraea decumbens subsp. tomentosa (Poech) Dostál subspecies synonym Spiraea decumbens var. tomentosa Poech variety synonym Spiraea japonica var. bullata (Maxim.) Makino variety synonym Spiraea japonica var. himalaica Kitam. variety synonym Spiraea hybr species accepted Spiraea trilobata var. trilobata variety synonym Spiraea douglasii f. douglasii form synonym Spiraea tomentosa f. tomentosa form synonym Spiraea ×nobleana Hook.f. species synonym Spiraea ×semperflorens Zabel species accepted Spiraea virginiana var. virginiana variety synonym Spiraea alaskaense Howell species accepted Spiraea grandifolia Nakai ex H.Hara species heterotypic synonym Spiraea japonica Siebold ex Blume species heterotypic synonym Spiraea elliptica K.Koch species doubtful Spiraea chamaedrifolia Wall. species doubtful Spiraea cuneifolia Wall. species heterotypic synonym Spiraea salicifolia var. carnea Aiton variety synonym Spiraea pubescens Cav. species synonym Spiraea salicifolia Elliott species doubtful Spiraea ×billiardii H species accepted Spiraea bracteata Hook.fil. species synonym Spiraea discolor W.H.Brewer & S.Watson species doubtful Spiraea callosa Hook.fil. species synonym Spiraea hypericifolia Marshall species synonym Eleiosina obovata Raf. ex Ser. species doubtful Spiraea lanceolata Comm. ex Poir. species heterotypic synonym Spiraea venusta Otto & A.Dietr. species doubtful Spiraea lancifolia Maxim. species synonym Spiraea betulifolia var. corymbosa (Rafinesque) S.Watson variety synonym Spiraea ×billardii hort. ex K.Koch species doubtful Spiraea nepalensis Lodd. ex Loudon species heterotypic synonym Spiraea aruncus Hook.f. species doubtful Spiraea alba DuRoi species doubtful Spiraea sozykinii Stepanov & Sonnikova species accepted Spiraea speciosa Jungh. species doubtful Spiraea salicifolia Schangin species doubtful Spiraea salicifolia var. grandiflora Loudon variety synonym Spiraea media var. oblongifolia C.K.Schneid. variety heterotypic synonym Spiraea flexuosa Rchb. species heterotypic synonym Spiraea alpina Korsh. species doubtful Spiraea brahuica var. boissieri (C.K.Schneid.) Kitam. variety synonym Spiraea erectistyla E.Reid species doubtful Spiraea sinensis hort. ex Lavallée, 1877 species accepted Spiraea decumbens var. hacquetii (Fenzl & K.Koch) Nyman variety synonym Spiraea vorobjevii Tzvelev species accepted Spiraea hypericifolia Sm. species synonym Spiraea velutina var. velutina variety synonym Spiraea pubescens var. pubescens variety synonym Spiraea mongolica var. mongolica variety synonym Spiraea microgyna Nakai species synonym Spiraea japonica f. japonica form synonym Spiraea fritschiana C.K.Schneid. species accepted Spiraea decumbens subsp. decumbens subspecies synonym Spiraea eximia Regel species synonym Spiraea daysyantha var. angustifolia Yatabe variety synonym Spiraea ×intermedia Zabel species synonym Spiraea insularis (Nakai) H.Shin, Y.D.Kim & S.H.Oh species accepted Spiraea glauca Raf. species synonym Spiraea japonica var. ruberrima Zabel variety synonym Spiraea betulifolia Pursh species doubtful Spiraea banatica Janka ex Just, 1878 species accepted Spiraea amoena Rafinesque species synonym Spiraea betulifolia subsp. stevenii (C.K.Schneid.) Nedol. subspecies synonym Spiraea litvinovii Dobrocz. species synonym Spiraea japonica subsp. morrisonicola (Hayata) Kitam. subspecies synonym Spiraea chamaedryfolia subsp. flexuosa (Fisch. ex Cambess.) Nedol. subspecies synonym Spiraea chamaedryfolia subsp. elegans (Pojark.) Nedol. subspecies synonym Spiraea andersoni Heer, 1869 species accepted Spiraea fornicata Businský species accepted Spiraea chamaedryfolia subsp. chamaedryfolia subspecies synonym Spiraea hypericifolia × cana - species synonym Spiraea paniculata (Aiton) G.Don species synonym Spiraea pubescens Turcz. species synonym Spiraea lobata Zabel species synonym Physocarpus insularis (Nakai) Nakai species synonym Spiraea thompsonii hort. ex Lavallée, 1877 species accepted Spiraea stipularis Wenz. species doubtful Spiraea standishii species synonym Spiraea sheikhii Zare species accepted Spiraea serratifolia K.Koch species synonym Spiraea serrata species synonym Spiraea ruscifolia K.Koch species synonym Spiraea rupestris K.Koch species doubtful Spiraea rigoldi hort. ex Lavallée, 1877 species doubtful Spiraea rhombifolia Lavallée species synonym Spiraea ×reflexa Dippel species doubtful Spiraea pumila Zabel species synonym Spiraea pruinosa K.Koch species synonym Spiraea praecox Zabel species synonym Spiraea podolica Błocki species accepted Spiraea pachysandra Zabel species synonym Spiraea ovalifolia K.Koch species heterotypic synonym Spiraea ouenssmensis H.Lév., 1909 species accepted Spiraea ogawai Nakai, 1928 species accepted Spiraea northcraftii I.M.Johnst., 1943 species accepted Spiraea nicoudiertii Bosse species synonym Spiraea nana hort. ex Lavallée, 1877 species accepted Spiraea myrtifolia Dippel species synonym Spiraea montana K.Koch species synonym Spiraea menziesii var. pyramidata (Greene) Piper variety synonym Spiraea martini H.Lév. species accepted Spiraea lycoctonifolia Maxim. species doubtful Spiraea luxurians Zabel species synonym Spiraea laurica Raf. species accepted Spiraea lanata K.Koch species synonym Spiraea kamaonensis K.Koch species synonym Spiraea ×inflexa K.Koch species accepted Spiraea inebrians Zabel species doubtful Spiraea indica K.Koch species synonym Spiraea incarnata K.Koch species synonym Spiraea hydrangeifolia species accepted Spiraea humanni K.Koch species synonym Spiraea hookeri K.Koch species doubtful Spiraea himalayea Lavallée species doubtful Spiraea grossulariifolia hort. ex Lavallée, 1877 species accepted Spiraea fritschiana var. villosa Y.Q.Zhu & D.K.Zang variety synonym Spiraea fritschiana var. microgyna (Nakai) Businský variety synonym Spiraea ×foxii Zabel species synonym Spiraea formosa hort. ex Lavall & e species doubtful Spiraea fontenaysii Zabel species synonym Spiraea flagelliformis Lavallée species doubtful Spiraea flagellata hort. ex Lavallée, 1877 species accepted Spiraea ×coristantia R.E.Schroed. species homotypic synonym Spiraea billardierei hort. ex Zabel species synonym Spiraea bethtlemensis hort. ex Wenz., 1888 species accepted Spiraea bernhardii Zabel species doubtful Spiraea belloides species synonym Spiraea aubifolia Zabel species synonym Spiraea arctica Lavallée species synonym Spiraea alnifolia hort. ex Zabel species synonym Spiraea aemiliana subsp. stevenii (C.K.Schneid.) Vorosch. subspecies synonym Spiraea adiantifolia W.H.Baxter & Wooster species synonym Spiraea acuta hort. ex Lavallée, 1877 species doubtful Eleiosina obovata Raf., 1838 species doubtful Spiraea corymbosa f. lucida (Douglas ex Greene) Zabel form synonym Spiraea salicifolia var. incarnata Lavallée variety synonym Spiraea japonica var. alba (Clémenc.) Koidz. variety synonym Spiraea humboldtii Lavallée species doubtful Spiraea cuneifolia var. glauca G.Kirchn. variety synonym Spiraea prunifolia var. integrifolia Dunn variety synonym Spiraea ×pumilionum Zabel ex Asch. & Graebn. species doubtful Spiraea salicifolia var. minor Pall. variety synonym Spiraea japonica var. ibukiensis Makino variety synonym Spiraea salicifolia var. alpestris Maxim. variety synonym Spiraea expansa var. nivea Lavallée variety synonym Spiraea salicifolia var. roseola Lavallée variety synonym Spiraea pumila var. watereri Bergmans variety synonym Spiraea ferruginea var. angustifolia Raf. variety synonym Spiraea japonica var. mayebarae Kitam. variety synonym Spiraea pubescens var. glabrescens Kitag. variety synonym Spiraea glomerata var. major Raf. variety synonym Spiraea salicifolia var. pensylvanica Lavallée variety synonym Spiraea lobata Thunb. species doubtful Spiraea bella var. coccinea G.Kirchn. variety synonym Spiraea hypericifolia var. vacciniifolia (D.Don) Lavallée variety synonym Spiraea betulifolia f. grandifolia (Nakai ex H.Hara) Toyok. form synonym Spiraea chamaedrifolia Pall. species synonym Spiraea betulifolia P.Watson species synonym Spiraea tobolskia Loudon species doubtful Spiraea japonica f. macrophylla (Zabel) Zabel form synonym Spiraea ×rubra Zabel species accepted Spiraea incisa Rchb. species synonym Spiraea ×oblongifolia Dippel species doubtful Spiraea chamaedryfolia Cambess. species synonym Spiraea argentea W.H.Baxter species doubtful Spiraea chamaedryfolia Hook.f. & Thomson ex Hook.f. species synonym Spiraea crenata Pamp. species doubtful Spiraea ×syringiflora K.Koch species synonym Spiraea chamaedryfolia Cham. & Schltdl. species synonym Spiraea glauca Wall. species heterotypic synonym Spiraea chamaedryfolia Jacq. species doubtful Spiraea arguta Hoffmanns. species synonym Spiraea flexuosa Fisch. ex Cambess. species accepted Spiraea lindleyana Boiss. species doubtful Spiraea lasiocarpa Franch. species doubtful Spiraea media Pursh species heterotypic synonym Spiraea ×billardii Hérincq species accepted Spiraea nivea K.Koch species synonym Awayus japonicus (L.fil.) Raf. species synonym Spiraea betulifolia f. glaucina Kitam. form synonym Spiraea fastigiata Wall. species synonym Spiraea ×fontenaysii Dippel species doubtful Spiraea californica Hort.Gall. ex Dippel species accepted Spiraea betulifolia var. oblanceolata Tatew. variety synonym Spiraea decumbens var. bellunensis Bizz. variety synonym Spiraea grossulariifolia Zabel species synonym Spiraea japonica var. albiflora (Miq.) Koidz. variety synonym Spiraea daurica Steud. species doubtful Spiraea japonica var. ovalifolia Franch. variety synonym Spiraea ×billardii Dippel species doubtful Spiraea japonica Siebold, 1826 species synonym Spiraea lobulata T.T.Yu & L.T.Lu species accepted Spiraea ovata species doubtful Spiraea salicifolia var. lanceolata Maxim. variety synonym Spiraea adiantoides Businský species accepted Spiraea velutina C.K.Schneid. species synonym Spiraea corymbosa Torr. & A.Gray species doubtful Spiraea pumila var. bumalda Zabel variety synonym Spiraea nana hort. species homotypic synonym Spiraea hookeri Zabel species synonym Spiraea ×brachystachys Dippel species doubtful Spiraea exima species doubtful Spiraea scotica species doubtful Spiraea lenneana species doubtful Spiraea ×bellardii species doubtful Spiraea hydrangeaefolia species synonym Spiraea multiflora x thunbergii species synonym Spiraea canescens x latifolia species synonym Spiraea crenata x hypericifolia x thunbergii species synonym Spiraea douglasii x latifolia species synonym Opulaster insularis Nakai species synonym Eleiosina cuneifolia Raf., 1838 species doubtful Spiraea sorbifolia var. alpina-pygmaea Pall. variety synonym Spiraea chamaedrifolia Thunb. species heterotypic synonym Spiraea ×fulvescens Dippel species accepted Spiraea menziesii f. angustifolia Zabel form synonym Spiraea menziesii f. eriophylla Zabel form synonym Spiraea thunbergii Siebold ex Blume species accepted Awayus japonicus (Raf.) Raf. ex B.D.Jacks. species synonym Spiraea crenata L. species accepted Spiraea chamaedryfolia L. species accepted Spiraea prunifolia Siebold & Zucc. species accepted Spiraea lucida Douglas ex Greene species synonym Spiraea ×tristis Zabel species doubtful Spiraea daochengensis L.T.Lu species accepted Spiraea glabrata Lange species synonym Spiraea ovalis Rehder species accepted Spiraea raizadae Panigrahi & K.M.Purohit species synonym Spiraea ulicina Prain species synonym Spiraea ×superba (Froebel ex Zabel) Zabel ex Dieck species accepted Spiraea ×brachybotrys Lange species accepted Spiraea ×luxuriosa Lavall & e species doubtful Spiraea hypericifolia L. species accepted Spiraea repens Raf. species synonym Spiraea repens var. pubescens Raf. variety synonym Spiraea ×intermedia Lemoine species synonym Spiraea subrotundifolia Panigrahi & K.M.Purohit species accepted Spiraea wilsonii Duthie ex J.H.Veitch species accepted Spiraea ×pseudosalicifolia Silverside species accepted Spiraea ×eximia K.Koch species synonym Spiraea subdioica K.M.Purohit & Panigrahi species accepted Spiraea salicifolia L. species accepted Spiraea salicifolia var. lanceolata Torr. & A.Gray variety synonym Spiraea virgata Raf. species heterotypic synonym Spiraea humilis Pojark. species synonym Spiraea sibirica Raf. species heterotypic synonym Spiraea salicifolia var. paniculata Aiton variety synonym Spiraea amena var. pauciflora Raf. variety synonym Spiraea salicifolia var. humilis (Pojark.) H.Hara variety synonym Spiraea sargentiana Rehder species accepted Spiraea canescens var. sulfurea Diels variety synonym Spiraea aemulans Rehder species synonym Spiraea ostryfolia Raf. species synonym Spiraea ostryfolia var. pumila Raf. variety synonym Spiraea myrtilloides Rehder species accepted Spiraea ×concinna Zabel species accepted Spiraea velutina Franch. species accepted Spiraea nanojaponica Tzvelev species doubtful Spiraea pseudoprunifolia Hayata species synonym Spiraea pseudoprunifolia var. typica Hatus. variety synonym Spiraea carnea (Aiton) Steud. species synonym Spiraea tarokoensis Hayata species accepted Spiraea sororia Penny ex G.Don species synonym Spiraea ×margaritae Zabel species synonym Spiraea affinis R.Parker species accepted Spiraea ×subcordata Dippel species synonym Spiraea chambaensis K.M.Purohit & Panigrahi species accepted Spiraea ×subcanescens Rydb. species accepted Spiraea crataegifolia Link species doubtful Spiraea ×aemula Zabel ex Koehne species doubtful Spiraea nepalensis K.Koch species heterotypic synonym Spiraea ×pyramidata Greene species accepted Spiraea ×tomentulosa Rydb. species synonym Spiraea velutina var. glabrescens T.T.Yu & L.T.Lu variety synonym Spiraea canadensis Fisch. ex Steud. species doubtful Spiraea ceanothifolia Hornem. species synonym Spiraea callosa var. superba Froebel variety synonym Spiraea pikowiensis Simonk. species doubtful Spiraea pubescens var. hailarensis (Liou) Kitag. variety synonym Spiraea laucheana Koehne species synonym Spiraea ouensanensis H.Lév. species accepted Spiraea ×conferta Zabel species synonym Spiraea micrantha Hook.fil. species accepted Spiraea micrantha var. glabricarpa K.M.Purohit & Panigrahi variety synonym Spiraea callosa var. macrophylla Hook.fil. & Thomson variety synonym Spiraea betulifolia Pall. species accepted Spiraea ×assimilis Zabel species accepted Spiraea longigemmis Maxim. species accepted Spiraea nayarii K.M.Purohit & Panigrahi species accepted Spiraea rhamnifolia Wall. species proparte synonym Spiraea venustula Kunth & C.D.Bouché species synonym Spiraea vacciniifolia Lindl. species synonym Spiraea laxiflora Lindl. species synonym Spiraea lancifolia Hoffmanns. species heterotypic synonym Spiraea hacquetii Fenzl & K.Koch species synonym Spiraea flexuosa Raf. species synonym Spiraea alba Du Roi species accepted Spiraea alba f. lanceolata (Torr. & A.Gray) C.K.Schneid. form synonym Spiraea cuneifolia Wender. species doubtful Spiraea salicifolia var. linearis Wenz. variety synonym Spiraea alba f. paniculata (Aiton) C.K.Schneid. form synonym Spiraea undulata Borkh. species synonym Spiraea lanceolata Borkh. species synonym Spiraea ciliata Raf. species synonym Spiraea ferganensis Pojark. species synonym Spiraea ×fontenaysii Lebas species accepted Spiraea ×grata Dippel species synonym Spiraea mollifolia Rehder species accepted Spiraea ×pachystachys K.Koch species accepted Spiraea venusta Dippel species doubtful Spiraea majestica Dippel species doubtful Spiraea ×magnifica Dippel species synonym Spiraea oblongifolia Regel ex Maxim. species heterotypic synonym Spiraea ×conspicua Zabel ex Dieck species accepted Spiraea ×vanhouttei (Briot) Zabel species accepted Spiraea aquilegifolia var. vanhouttei Briot variety synonym Spiraea ×watsoniana Zabel species accepted Spiraea stevenii (C.K.Schneid.) Rydb. species accepted Spiraea beauverdiana var. stevenii C.K.Schneid. variety synonym Spiraea bella Sims species accepted Spiraea bella var. fastigiata (Wall. ex C.K.Schneid.) K.M.Purohit & Panigrahi variety synonym Spiraea bella var. paniculata Regel variety synonym Spiraea callosa Wall. species heterotypic synonym Spiraea stellata Wall. species synonym Spiraea expansa hort. ex Zabel species doubtful Spiraea bella var. subcordata Regel variety synonym Spiraea caerulescens Poir. species synonym Spiraea coerulescens Poir. species synonym Spiraea ×notha Zabel ex Dieck species doubtful Spiraea stellipila Bean species doubtful Spiraea purpurea Hand.-Mazz. species accepted Spiraea schlothgauerae Ignatov & Vorosch. species accepted Spiraea ×difformis Zabel species accepted Spiraea obovata Dippel species synonym Spiraea prostrata Maxim. species heterotypic synonym Spiraea emarginata K.M.Purohit & Panigrahi species accepted Spiraea trilobata L. species accepted Spiraea trilobata var. pubescens T.T.Yu variety synonym Eleiosina triloba (Murray) B.D.Jacks. species synonym Spiraea lichiangensis W.W.Sm. species accepted Spiraea brevipes Borbás species doubtful Spiraea ×racemosa R.E.Schroed. species homotypic synonym Spiraea alpina Pall. species accepted Spiraea alpina var. altaica Maxim. variety synonym Spiraea elliptica Sessé & Moc. species doubtful Spiraea densiflora var. splendens (Baumann ex K.Koch) C.L.Hitchc. variety synonym Spiraea densiflora Nutt. ex Rydb. species accepted Spiraea splendens Baumann ex K.Koch species accepted Spiraea arbuscula var. pubigera C.K.Schneid. variety synonym Spiraea rosea Raf. species heterotypic synonym Spiraea bracteata Zabel species synonym Spiraea bracteata var. dumosa Zabel variety synonym Spiraea bullata Maxim. species synonym Spiraea microgyna var. velutina Nakai variety synonym Spiraea koreana Nakai species synonym Spiraea japonica var. albiflora (Miq.) Z.Wei & Y.B.Chang variety synonym Spiraea albiflora (Miq.) Zabel species synonym Spiraea leucantha Lange species synonym Spiraea callosa var. albiflora Miq. variety synonym Spiraea japonica subsp. micrantha (Hook.fil.) Kitam. subspecies synonym Spiraea japonica var. pinnatifida T.T.Yu & L.T.Lu variety synonym Spiraea japonica var. bumalda Bean variety synonym Spiraea japonica var. typica C.K.Schneid. variety synonym Spiraea procumbens G.Kirchn. species heterotypic synonym Spiraea grefsheimii Tzvelev species doubtful Spiraea miyabei Koidz. species accepted Spiraea miyabei var. glabrata Rehder variety synonym Spiraea miyabei var. pilosula Rehder variety synonym Spiraea miyabei var. tenuifolia Rehder variety synonym Spiraea silvestris Nakai species synonym Spiraea dahurica (Rupr.) Maxim. species accepted Spiraea alpina var. dahurica Rupr. variety synonym Spiraea ×pallidiflora Zabel species accepted Spiraea saxatilis Turcz. ex Besser species doubtful Spiraea hypoleuca Dunn species accepted Spiraea lemoinei Zabel species synonym Spiraea duthieana Zinserl. species accepted Spiraea ×pumilionum Zabel species accepted Spiraea simpliciflora (Nakai) Hatus. species synonym Spiraea thunbergii var. prunifolia (Siebold & Zucc.) Wenz. variety synonym Spiraea parvifolia Bertol. species heterotypic synonym Spiraea lasiocarpa Kar. & Kir. species accepted Spiraea sinensis Lour. ex B.A.Gomes species synonym Spiraea dubia Steud. species doubtful Spiraea ×sanssouciana K.Koch species accepted Spiraea regeliana S.Rinz ex G.Kirchn. species doubtful Spiraea fortunei var. subpaniculata Jacques variety synonym Spiraea ×longifolia Dippel species synonym Spiraea ×nobleana var. intermedia Lavallée variety synonym Spiraea ×nobleana var. pachysandra Lavallée variety synonym Spiraea douglasii var. nobleana (Hook.fil.) S.Watson variety synonym Spiraea hydrophila Suksd. species doubtful Spiraea elegans Pojark. species accepted Spiraea tomentosa L. species accepted Spiraea tomentosa var. ramosa Raf. variety synonym Drimopogon tomentosa (L.) B.D.Jacks. species synonym Drimopogon glomerata (Raf.) B.D.Jacks. species synonym Spiraea tomentosa var. paniculata Raf. variety synonym Spiraea tomentosa var. ferruginea Raf. variety synonym Spiraea glomerata Raf. species synonym Drimopogon parvifolia B.D.Jacks. species heterotypic synonym Spiraea tomentosa var. rosea (Raf.) Fernald variety synonym Drimopogon rosea (Raf.) B.D.Jacks. species synonym Spiraea tomentosa f. alba (Weston) Rehder form synonym Spiraea tomentosa f. albiflora J.F.Macbr. form synonym Spiraea tomentosa var. elatior Raf. variety synonym Spiraea tomentosa var. virgata Raf. variety synonym Drimopogon ferruginea (Raf.) B.D.Jacks. species synonym Spiraea tomentosa var. pumila Raf. variety synonym Spiraea ferruginea Raf. species synonym Spiraea uratensis Franch. species accepted Spiraea boissieri C.K.Schneid. species accepted Spiraea hemicryptophyta Grierson species accepted Spiraea parkeri Panigrahi & K.M.Purohit species accepted Spiraea sublobata Hand.-Mazz. species accepted Spiraea simplex Greene species doubtful Spiraea ×nivea Zabel species doubtful Spiraea muliensis T.T.Yu & L.T.Lu species accepted Spiraea humboldtii species doubtful Spiraea panigrahiana K.M.Purohit species accepted Spiraea mexicana Schiede species accepted Spiraea ×microthyrsa Zabel species accepted Spiraea ×hitchcockii W.J.Hess & Stoynoff species accepted Spiraea thibetica Bureau & Franch. species doubtful Spiraea dalmatica Gand. species doubtful Spiraea sheikii H.Zare species doubtful Spiraea mongolica Maxim. species accepted Spiraea gemmata Zabel species synonym Spiraea panchananii Panigrahi & K.M.Purohit species accepted Spiraea robusta Hand.-Mazz. species accepted Spiraea corymbosa var. lucida (Douglas ex Greene) A.Zobel variety synonym Spiraea cuspidata Hoffmanns. species doubtful Spiraea cantoniensis Lour. species accepted Spiraea reevesiana Lindl. species synonym Spiraea cantoniensis f. lanceata (Zabel) Zabel form synonym Spiraea cantoniensis f. lanceolata Zabel form synonym Spiraea cantoniensis var. pilosa T.T.Yu variety synonym Spiraea corymbosa Raf. species accepted Spiraea ovata Van Houtte ex Regel species doubtful Spiraea zuccarinii Siebold ex Miq. species synonym Spiraea blumei G.Don species accepted Spiraea blumei var. amabilis (Koidz.) Kitam. variety synonym Spiraea sikokualpina var. glabra Koidz. variety synonym Spiraea amabilis Koidz. species synonym Spiraea ribisoidea Koidz. species synonym Spiraea magellanica Poir. species doubtful Spiraea alpestris G.Don species doubtful Spiraea omeiensis Y.Y.Fang species doubtful Spiraea fastigiata Wall. ex C.K.Schneid. species synonym Spiraea betulifolia var. typica C.K.Schneid. variety synonym Spiraea betulifolia var. ochroleuca Zabel variety synonym Spiraea hingshanensis T.T.Yu & L.T.Lu species accepted Spiraea cana Waldst. & Kit. species accepted Spiraea cana var. mollis Beck variety synonym Spiraea cana var. typica Beck variety synonym Spiraea anomala Batalin species accepted Spiraea ruberrima K.Koch species doubtful Spiraea amoena Spae species synonym Spiraea betulaefolia P.Watson species doubtful Spiraea faurieana C.K.Schneid. species accepted Spiraea pruniflora Honda species synonym Spiraea fauriana C.K.Schneid. species synonym Spiraea macrophylla Hook. ex Koehne species synonym Spiraea schlothauerae Vorosch. & Ignatov species accepted Spiraea alaschanica Y.Z.Zhao & T.J.Wang species accepted Spiraea betulifolia subsp. lucida (Douglas ex Greene) Taylor & Mac Bryde subspecies synonym Spiraea grandifolia (Tatew.) Nakai species heterotypic synonym Spiraea betulifolia subsp. corymbosa (Raf.) R.L.Taylor & Mac Bryde subspecies synonym Spiraea flexuosa var. pubescens Liou variety synonym Spiraea flexuosa var. latifolia Fisch. ex Maxim. variety synonym Eleiosina virgata (Raf.) Raf. ex B.D.Jacks. species synonym Spiraea aquilegifolia Pall. species accepted Spiraea thalictroides Pall. species synonym Spiraea dasyantha Bunge species accepted Spiraea lycioides R.Parker species synonym Spiraea zabeliana C.K.Schneid. species synonym Spiraea darjeelingensis Panigrahi & K.M.Purohit species synonym Spiraea besseriana Sweet species doubtful Spiraea villosicarpa K.M.Purohit & Panigrahi species accepted Spiraea argentea W.H.Baxter ex Loudon, 1839 species accepted Spiraea ×pikoviensis Besser species accepted Spiraea pilosa Franch. species accepted Spiraea heterophylla Raf. species synonym Spiraea ×bumalda Burv. species accepted Spiraea pruhoniciana Kriechb. species synonym Spiraea ×revirescens Zabel species accepted Spiraea pulchella Kunze species synonym Spiraea siccanea (W.W.Sm.) Rehder species accepted Spiraea yunnanensis var. siccanea W.W.Sm. variety synonym Spiraea helleri Rydb. species doubtful Spiraea acuminata Douglas ex Hook. species doubtful Spiraea ×syringiflora Lemoine species accepted Spiraea ×nudiflora Zabel species accepted Spiraea ×nudiflora f. pseudobella Zabel form synonym Spiraea brumalis Lange species synonym Spiraea hazarica R.Parker species accepted Spiraea cuneata Zabel species synonym Spiraea yunnanensis Franch. species accepted Spiraea yunnanensis f. tortuosa (Rehder) Rehder form synonym Spiraea sinobrahuica W.W.Sm. species synonym Spiraea tortuosa Rehder species synonym Spiraea sinobrahuica var. aridicola W.W.Sm. variety synonym Spiraea laxissima Koehne species doubtful Spiraea ×blanda Zabel species accepted Spiraea lancifolia f. angustifolia Pamp. form synonym Spiraea lancifolia f. integrifolia Pamp. form synonym Spiraea lancifolia var. typica Fiori variety synonym Spiraea lancifolia f. latifolia Pamp. form synonym Spiraea lancifolia f. intermedia Pamp. form synonym Spiraea laeta Rehder species accepted Spiraea nishimurae Kitag. species accepted Spiraea canescens D.Don species accepted Spiraea canescens var. oblanceolata Rehder variety proparte synonym Spiraea rotundifolia Lindl. species heterotypic synonym Spiraea canescens subsp. pyramidata K.M.Purohit & Panigrahi subspecies synonym Spiraea nankaiensis Nakai species synonym Spiraea douglasii Hook. species accepted Spiraea ×multiflora Zabel species accepted Spiraea kwangsiensis T.T.Yu species accepted Spiraea roxburghiana Wall. species synonym Spiraea hirsuta (Hemsl.) C.K.Schneid. species accepted Spiraea blumei var. hirsuta Hemsl. variety synonym Spiraea ×micropetala Zabel species accepted Spiraea decumbens Koch species accepted Spiraea lancifolia var. decumbens (W.D.J.Koch) Fiori variety synonym Spiraea decumbens var. glabra Pokorny variety synonym Spiraea triloba Murray species synonym Spiraea schochiana Rehder species accepted Spiraea pjassetzkii Buzunova species accepted Spiraea ×arguta Zabel species accepted Spiraea flexuosa var. typica C.K.Schneid. variety synonym Spiraea ussuriensis subsp. elegans (Pojark.) Jakubov subspecies synonym Spiraea chamaedryfolia subsp. ulmifolia (Scop.) J.Duvign. subspecies synonym Spiraea chamaedryfolia var. flexuosa Maxim. variety synonym Spiraea belgica Dumort. species synonym Spiraea banatica Janka species synonym Spiraea chamaedryfolia var. vulgaris Cambess. variety synonym Spiraea ulmifolia Scop. species synonym Spiraea oblongata Wender. species synonym Spiraea yazawai Makino species synonym Spiraea chamaedryfolia var. typica Fiori variety synonym Spiraea brahuica Boiss. species accepted Spiraea brahuica var. hindukushiensis Kitam. variety proparte synonym Spiraea ×gieseleriana Zabel species accepted Spiraea diversifolia Dunn species accepted Spiraea media Schmidt species accepted Spiraea versifolia Raf. species synonym Spiraea ×constantia R.I.Schröd. species doubtful Spiraea nervosa Franch. & Sav. species accepted Spiraea nervosa var. angustifolia (Yatabe) Ohwi variety synonym Spiraea nervosa var. latifolia (Nakai) Kitam. variety synonym Spiraea chinensis var. angustifolia (Yatabe) Koidz. variety synonym Spiraea dasyantha var. wawrana C.K.Schneid. variety synonym Spiraea yatabei var. latifolia Nakai variety synonym Spiraea nervosa var. chinensis (Maxim.) Koidz. variety synonym Spiraea kiusiana Nakai species synonym Spiraea nervosa var. kiusiana (Nakai) Koidz. variety synonym Spiraea chinensis Maxim. species accepted Spiraea hayatae var. pubescens Koidz. variety synonym Spiraea dasyantha var. angustifolia Yatabe variety synonym Spiraea yatabei Nakai species synonym Spiraea ×cinerea Zabel species accepted Spiraea arunachalensis Panigrahi & K.M.Purohit species synonym Spiraea ×fontenaysiensis Dippel species doubtful Spiraea chartacea Nakai species synonym Spiraea convexa Suksd. species doubtful Spiraea dasyantha var. typica C.K.Schneid. variety synonym Spiraea martini var. tomentosa T.T.Yu variety synonym Spiraea martini var. pubescens T.T.Yu variety synonym Spiraea papillosa Rehder species accepted Spiraea trichocarpa Nakai species accepted Spiraea arcuata Hook.fil. species accepted Spiraea canescens var. glabra Hook.fil. & Thomson variety synonym Spiraea ×schinabeckii Zabel species accepted Spiraea tobolskia G.Lodd. ex G.Don, 1830 species accepted Spiraea ×oxyodon Zabel species accepted Spiraea rosthornii E.Pritz. species accepted Spiraea ×prattii C.K.Schneid. species accepted Spiraea cavaleriei H.Lév. species synonym Spiraea virginiana Britton species accepted Spiraea virginiana f. serrulata (Rehder) Rehder form synonym Spiraea gracilis Maxim. species accepted Spiraea savranica Besser ex Ser. species doubtful Spiraea limprichtii J.Krause species doubtful Spiraea calcicola W.W.Sm. species accepted Spiraea ×rosalba Dippel species accepted Spiraea ×rosalba var. rubella (Dippel) Silverside variety synonym Spiraea ×rubella Dippel species synonym Spiraea hybrida G.Kirchn. species doubtful Spiraea morrisonicola Hayata species accepted Spiraea japonica var. morrisonicola (Hayata) Kitam. variety synonym Spiraea baldshuanica B.Fedtsch. species accepted Spiraea nipponica Maxim. species accepted Spiraea nipponica var. oblanceolata Nakai variety synonym Spiraea nipponica var. rotundifolia (G.Nicholson) Makino variety synonym Spiraea nipponica f. typica Makino form synonym Spiraea dissomorpha Koidz. species synonym Spiraea media var. rotundifolia G.Nicholson variety synonym Spiraea ogawae Nakai species synonym Spiraea nipponica var. ogawae (Nakai) T.Yamanaka variety synonym Spiraea tenuissima Carrière species doubtful Spiraea ×macrothyrsa (Zabel) Dippel species accepted Spiraea menziesii f. macrothyrsa Zabel form synonym Spiraea teniana var. mairei (H.Lév.) L.T.Lu variety synonym Spiraea wardii W.W.Sm. species synonym Spiraea tenuifolia Otto ex Dippel species proparte synonym Spiraea rhamniphylla Panigrahi & K.M.Purohit species accepted Spiraea rotundata Koidz. species doubtful Spiraea nutans Royle ex Steud. species doubtful Spiraea tatewakii Kitag. species doubtful Spiraea schneideriana Rehder species accepted Spiraea tianschanica Pojark. species accepted Spiraea compsophylla Hand.-Mazz. species accepted Spiraea tanguensis K.M.Purohit & Panigrahi species accepted Spiraea henryi Hemsl. species accepted Spiraea henryi f. notabilis (Farquhar) Rehder form synonym Spiraea henryi var. integrifolia Batalin variety synonym Spiraea veitchii Hemsl. species accepted Spiraea atemnophylla H.Lév. species synonym Spiraea hailarensis Liou species accepted Spiraea chailarensis Liou species synonym Spiraea arenaria Y.Z.Zhao & T.J.Wang species synonym Spiraea japonica f. alpina (Maxim.) Koidz. form synonym Spiraea pachystachys Worsley species doubtful Spiraea crenata Muhl. species doubtful Spiraea mairei H.Lév. species synonym Spiraea sorbifolia Aitch. species doubtful Spiraea stellipila Maxim. species doubtful Spiraea betulifolia f. yoshitakae (Toyok.) Toyok. form synonym Spiraea fulvescens Rehder species synonym Spiraea ×vanhouttei (Briot) Carrière species synonym Spiraea ×superba Froebel ex Zabel species doubtful Spiraea callosa Thunb. species heterotypic synonym Spiraea lanatissima Businský species accepted Spiraea corymbosa Roxb. species heterotypic synonym Spiraea lancifolia Hoffmanns. ex K.Koch species heterotypic synonym Spiraea ×constantiae R.I.Schröd. species doubtful Spiraea thalictroides Zabel species synonym Spiraea fauriei H.Lév. species doubtful Spiraea cuneifolia Borkh. species heterotypic synonym Spiraea rosthornii E.Pritz. ex Diels, 1900 species doubtful Spiraea chamaedryfolia var. stenophylla Zabel variety synonym Spiraea koreana var. rosea Nakai variety synonym Spiraea dasyantha Hemsl. species doubtful Spiraea japonica var. parvifolia (Koidz.) Kitam. variety synonym Spiraea japonica Jacob-Makoy species doubtful Eleiosina triloba Raf., 1838 species doubtful Spiraea chamaedrifolia F.Schmidt species doubtful Spiraea cuneata Raf. species doubtful Spiraea cuneifolia Wender. ex Steud. species doubtful Spiraea salicifolia f. grandiflora (Loudon) C.K.Schneid. form synonym Spiraea crenata Besser ex Ser. species doubtful Spiraea cuneifolia Raf. species synonym Spiraea kamtschatica Wall., 1829 species accepted Spiraea chamaedryfolia Ledeb. species doubtful Spiraea dumosa Nutt. ex A.Gray, 1849 species accepted Spiraea intermedia hort. species homotypic synonym Spiraea aruncus Ledeb. species doubtful Spiraea mexicana hort. species homotypic synonym Spiraea tenuissima hort. ex Lavall & e species doubtful Spiraea fangii H.Y.Hu & X.J.He species synonym Spiraea tenuissima hort. species homotypic synonym Spiraea pulchra Zabel species synonym Spiraea callosa var. semperflorens Zabel variety synonym Spiraea ×semperflorens f. spicata Zabel form synonym Spiraea neumannii Zabel species synonym Spiraea oblongata Lavallée species doubtful Spiraea fissa hort. ex Lavall & e species doubtful Spiraea billardii Henrinq species doubtful Spiraea douglasii x salicifolia (?) species synonym Spiraea japonica var. atrosanguinea Zabel variety synonym Spiraea procumbens Zabel species heterotypic synonym Spiraea billardii hort. ex Zabel species synonym Spiraea nutans C.K.Schneid. species heterotypic synonym Spiraea kamaonensis var. spicata Billiard variety homotypic synonym Spiraea syringaeflora hort. ex K.Koch species doubtful Spiraea flagellaris Zabel species synonym Spiraea crispifolia Zabel species synonym Spiraea semperflorens hort. species homotypic synonym Spiraea kamaonensis var. spicata Billiard ex Zabel variety synonym Spiraea longifolia H.Y.Hu & X.J.He species synonym Spiraea ×semperflorens f. typica Zabel form synonym Spiraea crataegina G.Kirchn. species doubtful Spiraea canadensis Zabel species doubtful Spiraea confusa Lavallée species doubtful Spiraea humboldtii species accepted Spiraea mexicana hort. ex Lavall & e species doubtful Spiraea semperflorens hort. ex Dieck species synonym Spiraea fissa hort. species homotypic synonym Spiraea crataegifolia Zabel species doubtful Spiraea fortunei var. semperflorens Zabel variety synonym Spiraea hookeri G.Kirchn. species synonym Spiraea flagellata Rehder species synonym Spiraea alnifolia hort. species homotypic synonym Spiraea nepalensis C.K.Schneid. species heterotypic synonym Spiraea ×alpina Zabel species synonym Spiraea hookeri Lavallée species doubtful Spiraea densiflora subsp. densiflora subspecies synonym Spiraea ×notha Zabel species accepted Spiraea ×ruberrima Dippel species synonym Spiraea hypericifolia DC. species doubtful Spiraea crenata Thunb. species heterotypic synonym Spiraea obovata Raf. ex DC. species synonym Spiraea vacciniifolia G.Lodd. species heterotypic synonym Spiraea betulifolia var. grandifolia Tatew. variety synonym Spiraea ×angustifolia Dippel species synonym Spiraea ×spicata Dippel species synonym Eleiosina virgata Raf., 1838 species doubtful Spiraea ×pallidiflora Zabel ex Dippel species doubtful Spiraea callosa var. glabra Regel variety synonym Eleiosina cuneifolia Raf. ex B.D.Jacks. species doubtful Spiraea hypericifolia Cambess. species doubtful Spiraea expansa Wall. ex K.Koch species accepted Spiraea triloba L. species synonym Spiraea japonica var. ovatifolia Koidz. variety synonym Spiraea fritschiana var. obtusifolia Nakai variety synonym Spiraea intermedia hort. ex Lavallée, 1877 species accepted Spiraea ×eximia Dippel species doubtful Spiraea tomentosa Raf. species synonym Spiraea pubescens var. lasiocarpa Nakai variety synonym Spiraea ulmaria Schultz species doubtful Spiraea sororia Penny ex Loudon species doubtful Drimopogon parvifolia (Raf.) Raf. species heterotypic synonym Spiraea japonica f. pubescens (Regel) Kitam. form synonym Spiraea crenata Mert. species doubtful Spiraea hypericifolia R.Parker species doubtful Spiraea ×conspicua Zabel species doubtful Spiraea rotundifolia K.Koch species synonym Spiraea betulifolia var. corymbosa (Raf.) Voss variety synonym Spiraea corymbosa Muhl. species synonym Spiraea japonica var. glabra Koidz. variety synonym Spiraea microphylla H.Lév. species heterotypic synonym Spiraea densiflora Nutt. ex Torr. & A.Gray species synonym Spiraea aruncus Thunb. species doubtful Spiraea parvifolia Raf. species heterotypic synonym Spiraea alba P.Watson species doubtful Spiraea betulifolia var. yoshitakae Toyok. variety synonym Spiraea yunnanensis Frauch. species doubtful Spiraea mongolica (Maxim.) Koehne species doubtful Spiraea japonica Raf. species heterotypic synonym Spiraea ×fontenaysii f. alba Zabel form synonym Spiraea pubescens f. leiocarpa (Nakai) Kitag. form synonym Spiraea betulifolia Hook. species doubtful Spiraea japonica var. macrophylla Zabel variety synonym Spiraea subcordata Lenné & K.Koch species doubtful Spiraea japonica var. pubescens (Regel) Koidz. variety synonym Spiraea obovata Rchb. species synonym Spiraea betulifolia var. concolor Nakai ex H.Hara variety synonym Spiraea vacciniifolia D.Don species accepted Spiraea albiflora (Miq.) C.K.Schneid. species synonym Spiraea hypericifolia Turcz. species doubtful Spiraea crenifolia (L.) Boiss. species doubtful Spiraea crenifolia var. mongolica Maxim. variety synonym Spiraea japonica f. atrosanguinea (Zabel) C.K.Schneid. form synonym Spiraea hypericifolia Nyman species doubtful Spiraea ×pachystachys Zabel species doubtful Spiraea media subsp. cana (Waldst. & Kit.) Novák subspecies synonym Spiraea lucida Douglas ex Hook. species accepted Spiraea hayatai var. pubescens Koidz. variety synonym Spiraea japonica L.fil. species accepted Spiraea tatakaensis I.S.Chen species accepted Spiraea lancifolia var. tomentosa (Poech) Pamp. variety synonym Spiraea betulifolia var. shantarica Tzvelev variety synonym Spiraea flagelliformis Zabel species synonym Spiraea dasyantha Koidz. species heterotypic synonym Spiraea hypericifolia var. thalictroides (Pall.) Ledeb. variety synonym Spiraea obtusata Nakai species synonym Spiraea luxuriosa Lavallée ex Zabel species synonym Spiraea japonica f. ruberrima (Zabel) C.K.Schneid. form synonym Spiraea ningshiaensis T.T.Yu & L.T.Lu species accepted Spiraea expansa Wall. species synonym Spiraea sororia Penny species homotypic synonym Spiraea xarguta Zabel species synonym Spiraea tenuifolia Otto species homotypic synonym Spiraea canadensis Fisch. species homotypic synonym Spiraea billardierei hort. species homotypic synonym Spiraea thompsoni Hort. species synonym Spiraea rigoldi hort. species homotypic synonym Spiraea sinensis hort. species homotypic synonym Spiraea xmacrothyrsa Dippel species synonym Spiraea formosa hort. species homotypic synonym Spiraea splendens Baumann species homotypic synonym Spiraea rupestris Zabel species synonym Spiraea ovata Van Houtte species homotypic synonym Spiraea lanceolata Comm. species homotypic synonym Spiraea xrosalba Dippel species synonym Spiraea betulifolia var. concolor Nakai variety synonym Spiraea crenata Besser species homotypic synonym Spiraea flexuosa Fisch. species homotypic synonym Spiraea nutans Royle species homotypic synonym Spiraea expansa hort. species homotypic synonym Spiraea xvanhouttei (Briot) Carrière species synonym Spiraea californica Hort.Gall. species homotypic synonym Spiraea macrophylla Hook. species homotypic synonym Spiraea xbillardii Hérincq species synonym Spiraea regeliana S.Rinz species homotypic synonym Spiraea grossulariifolia hort. species homotypic synonym Spiraea acuta hort. species homotypic synonym Spiraea syringaeflora hort. species homotypic synonym Spiraea acuminata Douglas species homotypic synonym Spiraea thunbergii Siebold species doubtful Spiraea bethtlemensis hort. species homotypic synonym Spiraea baldschuanica B.Fedtsch. species accepted Spiraea ×aemula Zabel species homotypic synonym Spiraea robusta hort. species homotypic synonym Spiraea zuccarinii Siebold species homotypic synonym Spiraea xcinerea Zabel species synonym Spiraea ×billardii hort. species homotypic synonym Spiraea lucida Douglas species homotypic synonym Spiraea xrubella Dippel species synonym Spiraea ×superba Froebel species homotypic synonym Spiraea flagellata hort. species homotypic synonym Spiraea nepalensis Lodd. species homotypic synonym Spiraea ×bumalda hort. species homotypic synonym Spiraea oblongifolia Regel species homotypic synonym Spiraea sinensis Lour. species homotypic synonym Spiraea savranica Besser species homotypic synonym Spiraea xpseudosalicifolia Silverside species synonym |
PNSS